Geometric mean between 28 and 14

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asked Dec 19, 2019 188k views

1 Answer

Kerb · Answer 1 · 2019-12-23T13:05:42+0000

Answer: 14√2 ≈ 19.8

Set up the proportion. (1st #)/x = x/(2nd #)
28/x = x/14

Solve for x by cross-multiplying.
28/x = x/14
(x)(x) = (28)(14)
x² = 392
x = √392
x = 14√2 ≈ 19.8

Geometric mean between 28 and 14

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